Aquarium stand



FIG. 1 is a perspective view taken from the top, front and right side of an aquarium stand showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image of the right side shown;

FIG. 4 is a perspective view taken from the top, front and right side of a modified form of the aquarium stand shown in FIG. 1;

FIG. 5 is a front elevational view of FIG. 4; and

FIG. 6 is a right side elevational view of FIG. 4, the left side being a mirror image of the right side shown. 

The ornamental design for an aquarium stand, as shown and described. 